iso TOC cube

Dissolved carbon and nitrogen isotope analysis on the highest level

Based on the “cube” platform that has set the gold standard for elemental analysis, theiso TOC cube is a new concept for the quantitative and isotopic determination of dissolved carbon and nitrogen in liquids and slurries.

The simultaneous determination of dissolved δ13C and δ15N at concentrations as low as 0.2 ppm and 10 ppm, respectively, are easily achieved with the vario iso TOC cube. For the first time the high sensitivity for measuring TOC or TNb in aqueous solutions is combined with the accuracy and reliability of organic elemental analysis to automatically measure up to 100% carbon concentrations in matrices ranging from dilute glacial meltwaters to aggressive soil extracts. Oxidation of bound carbon and nitrogen by means of high temperature digestion and catalytic post combustion in a free selectable range of up to 1,200 °C, with reduction of nitrogen oxides to N2 for determination by IRMS.

With measuring modes for the isotopic analysis of TC/TIC, DOC, TC/TIC/TNb or DOC/TNb. Formed CO2 and N2 are purified through a halogen trap with subsequent 3-step intensive gas drying system, and a newly developed matrix separation system (patent pending) that allows multiple injections of difficult matrices (such as seawater). CO2 is detected by a super wide range NDIR-photometer with extraordinary linearity prior to peak focusing of both CO2 and N2 on individual temperature programmed desorption columns (patent pending) to achieve the high-level performance required for IRMS measurement.

Flyer

High temperature combustion unitQuantitative sample digestion up to 1,200 °C - with a ten years furnace warranty. This is the prerequisite for 100% recovery also for samples difficult to combust. Jet injection of oxygen directly to the sample leads to highest oxygen concentrations at the point of combustion and low gas consumption

Instrument controlWith a standard PC for perfect results also for unknown or heavily variable sample matrices with integrated sample feeder for up to 32 samples. Possibility for remote service due to full digitalization of the instrument electronics

Clean, safe, fastThe analysis only takes a few minutes, no aggressive or toxic chemicals are used, helium carrier gas

Elementar – your partner for elemental analysis

Elementar is the world leader in high performance analysis of organic elements. Continuous innovation, creative solutions and comprehensive support form the foundation of the Elementar brand, ensuring our products continue to advance science across agronomy, chemical, environmental, energy, materials and forensics markets in more than 80 countries.

2013 Queen's Award Winner

We have been awarded the prestigious Queen's Award for International Trade in recognition of our continued growth in export sales of stable isotope ratio mass spectrometers.